http://l3.yimg.com/bt/api/res/1.2/Vc0IIqkvz7xouWP_KydCjQ--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9ODU7dz0xMzA-/http://media.zenfs.com/en_us/News/Reuters/2012-08-02T132955Z_1_CBRE87111HZ00_RTROPTP_2_BRITAIN.JPG (http://news.yahoo.com/plonker-coach-blamed-angolans-exit-132955478--box.html)LONDON (Reuters) - An Angolan boxing coach was deemed a "plonker" by the head of the country&#039;s Olympic team after failing to bring their only fighter to a weigh-in led to his disqualification in a sea of tears. Heavyweight Tumba Silva, 26, a protégé of former world champion Chris Eubank&#039;s Angolan academy, was disqualified from his first round bout against 2008 Olympic silver medalist Clemente Russo of Italy on Wednesday after he missed the mandatory morning weigh-in. ...